Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● c6→d5, e6→d5, b7→c6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v1), ● g5 (2v0)	● e4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v1)	● d5 (3v1), ● e4 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● b1, ● c1, ● a1, ● h1)	4 (● c8, ● f8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre	● Au centre
Droits de roque	O-O / O-O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	—	● …c6-c5, ● …e6-e5

E01k — Catalan: 4…c6 5.Nf3 Nbd7

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 c6 5.Nf3 Nbd7 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. O-O (Mettre le roi en sécurité, connecter les tours — 52 % des parties) ; Qc2 (Prépare O-O-O — 28 % des parties) ; Nbd2 (Développer b1 — 10 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bd6 (Fou actif (mobilité 10), Développer f8 — 42 % des parties) ; ...Be7 (Fou actif (mobilité 5), Développer f8 — 36 % des parties) ; ...dxc4 (Capture en c4, Frapper le centre adverse — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
? 2000 – Round ? – Shipov, Sergei – 1-0 – Hoffman, Alejandro – G19 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 Nbd7 6. Qc2 Bd6 7. O-O O-O 8. b3 e5 9. cxd5 cxd5 10. dxe5 Nxe5
1931 Buenos Aires – Round 1 – Concepcion Villegas, Bryan Uriel – 1-0 – Alarcon Molina, Joshua Dylan – G10 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nf3 Nbd7 6. Nbd2 Ne4 7. Nxe4 dxe4 8. Ng5 Bb4+ 9. Kf1 Nb6 10. Nxe4 Be7
1938 Argentina – Round 2 – Grau, Roberto G – 1-0 – Acosta Ojeda, Juan David – G2 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nf3 c6 6. O-O Bd6 7. Nbd2 O-O 8. b3 Qe7 9. Bb2 Ba3 10. Bxa3 Qxa3
1938 Bad Harzburg – Round 2 – Pirc Salamon, Hubert – 1/2-1/2 – Bogoljubow, Efim – G7 1. Nf3 d5 2. d4 e6 3. c4 Nf6 4. g3 Nbd7 5. Bg2 c6 6. Qc2 Bd6 7. O-O O-O 8. Nbd2 Re8 9. e4 Nxe4 10. Nxe4 dxe4
1938 Montevideo – Round 13 – Alekhine, Alexander – 1-0 – Trompowsky, Octavio – G68 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nf3 Nbd7 6. O-O Ne4 7. Nfd2 Nxd2 8. Nxd2 f5 9. f3 Nf6 10. Kh1 Be7
1938 URS Ch, semi final – Round 5 – Panov, Vasily – 1-0 – Makogonov, Mikhail – G56 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Nbd7 5. Bg2 c6 6. Qc2 Bd6 7. Nbd2 O-O 8. O-O e5 9. cxd5 Nxd5 10. Nc4 Qe7
1938 USA Ch – Round 1 – Reshevsky, Samuel – 1-0 – Shainswit, George – G4 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Nbd7 5. Bg2 c6 6. Qc2 Bd6 7. Nbd2 O-O 8. O-O Qe7 9. Nh4 g6 10. e4 dxe4
1939 Bournemouth – Round 1 – Abrahams, Gerald – 0-1 – Wallis Moreno, Veronica Isabella – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 e6 5. Bg2 Nbd7 6. O-O Be7 7. b3 b6 8. Bb2 Ba6 9. Ne5 Nxe5 10. dxe5 Nd7
1939 Prague olm qual – Round 1 – Opocensky, Karel – 1/2-1/2 – Pokorny, Amos – G2 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Nbd7 5. Bg2 c6 6. Qc2 Ne4 7. O-O f5 8. Nc3 Be7 9. b3 O-O 10. Bb2 Qe8 1/2-1/2
1946 Londen I – Round 1 – Golombek, Harry – 1-0 – Pomar Salamanca, Arturo – G6 1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Nbd7 5. Nf3 c6 6. Nbd2 Bd6 7. O-O O-O 8. b3 e5 9. cxd5 e4 10. Nh4 cxd5
1947 GBR Ch 34th – Round 1 – Abrahams, Gerald – 1-0 – Ritson-Morry, William – G5 1. Nf3 d5 2. c4 c6 3. d4 e6 4. g3 Nf6 5. Bg2 Nbd7 6. O-O dxc4 7. Nbd2 Be7 8. Nxc4 O-O 9. Qc2 c5 10. Rd1 cxd4
1949 YUG Ch – Round 16 – Milic, Borislav – 1-0 – Tomovic, Vasilje – G15 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Nbd7 5. Bg2 c6 6. Nbd2 Be7 7. O-O O-O 8. b3 a5 9. Bb2 a4 10. c5 Ne8
1951 Hungary Ch – Round 1 – Benko, Pal – 1-0 – Gecsei, Istvan – G34 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nf3 Nbd7 6. b3 dxc4 7. bxc4 Qa5+ 8. Bd2 Bb4 9. O-O Bxd2 10. Qxd2 Qxd2
1953 Hastings Premier 1952/53 28th – Round 4 – Golombek, Harry – 1-0 – Seitz, Jakob Adolf – G7 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Nbd7 5. Bg2 c6 6. Nbd2 Bd6 7. O-O O-O 8. Qc2 e5 9. cxd5 cxd5 10. dxe5 Bxe5
1954 DDR Ch 05th – Round 1 – Schlieder, Rolf – 1/2-1/2 – Bartuszat Fritz – G4 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nf3 Nbd7 6. Nbd2 Bd6 7. O-O O-O 8. b3 Qe7 9. Bb2 e5 10. cxd5 e4
1954 Olympiad final B – Round 1 – Dunkelblum, Arthur – 1-0 – Neu, Alexandre – G7 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nf3 Nbd7 6. Nbd2 g6 7. O-O Bg7 8. Qc2 O-O 9. b3 Re8 10. Bb2 Nf8
1958 Argentina – Round 15 – Garcia Rodriguez, Raimundo – 1-0 – Reinhardt, Enrique – G115 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nf3 Nbd7 6. O-O Bd6 7. Nbd2 O-O 8. e4 Nxe4 9. Nxe4 dxe4 10. Ng5 Nf6
1959 CSR Ch – Round 7 – Opocensky, Karel – 1-0 – Brach, Julius – G52 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 e6 5. Bg2 Nbd7 6. O-O Bd6 7. Qc2 O-O 8. Nbd2 dxc4 9. Nxc4 Bc7 10. e4 Re8
1960 Asuncion – Round 1 – Szabo, Ladislav – 1-0 – De Los Rios, Antonio – G6 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Nbd7 5. Bg2 c6 6. Qc2 Bd6 7. Nbd2 O-O 8. O-O e5 9. cxd5 cxd5 10. dxe5 Nxe5
1961 Budapest ch-HUN – Round 1 – Szabo, Ladislav – 1-0 – Rethy, Pal – G8 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. d4 c6 5. Nf3 Nbd7 6. O-O Ne4 7. Nfd2 f5 8. Nc3 Nxd2 9. Bxd2 Be7 10. e3 O-O
1962 CSR Ch – Round 6 – Opocensky, Karel – 1/2-1/2 – Augustin, Josef – G45 1. d4 d5 2. Nf3 e6 3. c4 c6 4. g3 Nf6 5. Bg2 Nbd7 6. O-O Bd6 7. Nc3 O-O 8. e4 Nxe4 9. Nxe4 dxe4 10. Ng5 Nf6
1964 1. division -65 – Round 5.4 – Henriksen, Palle V. – 1/2-1/2 – Korning, Peter – G12 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nf3 Nbd7 6. O-O Bd6 7. Nc3 O-O 8. Qc2 dxc4 9. e4 e5 10. Ne2 Re8
1966 US Open – Round 9 – Ozols, Juris – 1/2-1/2 – Zalys, Ignas – G54 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nf3 c6 6. Qd3 Ne4 7. Nfd2 f5 8. f3 dxc4 9. Nxc4 Nef6 10. O-O Be7
1968 Prague U26 – Round 3 – Zajic, Jiri – 1-0 – Zedek, Alois – G10 1. c4 Nf6 2. d4 e6 3. Nf3 d5 4. g3 Nbd7 5. Bg2 c6 6. Qc2 Bd6 7. Nbd2 O-O 8. O-O e5 9. cxd5 Nxd5 10. Nc4 Qc7
1969 Rhyl ch-BCF – Round 1 – Lees, David – 0-1 – Hempson, Peter W – G2 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 Nbd7 6. b3 Ne4 7. O-O f5 8. Nfd2 Nxd2 9. Nxd2 Bd6 10. Bb2 O-O
FIDE World Cup 2015 – Round 1.1 – Topalov, Veselin – 1-0 – ADU, Oladapo – G5 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 e6 5. Bg2 Nbd7 6. Qc2 Bb4+ 7. Nbd2 O-O 8. O-O Re8 9. Rd1 Qe7 10. e4 h6
FIDE-Wch k.o. 1999 – Round 1.1 – Tkachiev, Vladislav – 1-0 – Hoffman, Alejandro – G6 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 c6 5. Bg2 Nbd7 6. Qc2 Bd6 7. O-O O-O 8. Rd1 Qe7 9. Nc3 Rd8 10. e4 Nxe4
VSB, Amsterdam NED 1996 – Round 8 – Piket, Jeroen – 0-1 – Seirawan, Yasser – G7 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Nbd7 5. Bg2 c6 6. Qc2 b6 7. O-O Bb7 8. Rd1 Be7 9. Nc3 O-O 10. Bf4 Rc8
World Rapid 2016 – Round 2.43 – Jumabayev, Rinat – 1/2-1/2 – Quintiliano, Renato R. – G84 1. d4 d5 2. c4 e6 3. Nf3 c6 4. g3 Nf6 5. Bg2 Nbd7 6. O-O dxc4 7. a4 a5 8. Qc2 b5 9. Rd1 Bb7 10. Ne5 Qc8
World Rapid 2021 – Round 4.72 – Mitrabha, Guha – 1-0 – Sanal, Vahap – G254 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 e6 5. Bg2 Nbd7 6. O-O dxc4 7. a4 a5 8. Nbd2 b5 9. Ne5 Nxe5 10. dxe5 Nd5

E01k — Catalan (1931)

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 c6 5.Nf3 Nbd7

Les coups candidats

6.O-O — 52.2% (1851 parties)

Ambassadeurs : Ivanov, Mikhail M. (7x), Flear, Glenn C (5x), Opocensky, Karel (4x), Pruess, David (4x), Haba, Zdenek (4x), Gleizerov, Evgeny (3x), Sriram, Jha (3x), Astasio Lopez, David (3x)

6.Qc2 — 28.3% (1001 parties)

Ambassadeurs : Haba, Petr (8x), Glavina, Pablo (5x), Raetsky, Alexander (4x), Burmakin, Vladimir (3x), Golombek, Harry (2x), Matanovic, Aleksandar (2x), Zedek, Alois (2x), Fomichenko, Eduard (2x)

6.Nbd2 — 10.1% (357 parties)

Ambassadeurs : Filipek, Marian (2x), Beranger, Paul (2x), Porreca, Giorgio (2x), Aadhitha Karikalan (2x), Damljanovic, Branko (2x), Haba, Zdenek (2x), Golombek, Harry (1x), Seitz, Jakob Adolf (1x)

6.b3 — 4.8% (171 parties)

Ambassadeurs : Natalucci, Fabrizio (2x), Porth, Dietmar (2x), Loviscek, Matjaz (2x), Lees, David (1x), Hempson, Peter W (1x), Fricker, Jean (1x), Thiellement, Andre (1x), Benko, Pal (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.O-O	6.Qc2	6.Nbd2	6.b3
<1800	295	61%	20%	7%	5%
1800-2200	1853	54%	26%	10%	5%
2200-2600	1047	49%	35%	10%	3%
2600+	9	33%	22%	22%	22%

Évolution par décennie (% des parties)

Décennie	N parties	6.O-O	6.Qc2	6.Nbd2	6.b3
1950s	32	28%	22%	44%	3%
1960s	18	28%	28%	22%	11%
1970s	48	35%	42%	10%	10%
1980s	85	41%	28%	13%	7%
1990s	532	45%	34%	11%	6%
2000s	970	48%	32%	10%	5%
2010s	1453	56%	25%	10%	4%
2020s	405	67%	20%	6%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.O-O	56%	67%	▲ +10.9%
6.Qc2	25%	20%	▼ -4.6%
6.Nbd2	10%	6%	▼ -3.5%
6.b3	4%	2%	▼ -2.0%

Parties historiques

6.O-O — 52.2% (1851 parties)

1950 — Gereben, Erno vs Koberl, Ferenc — 1-0 — Budapest HUN
1951 — Hay, J N vs Kearney, G A — 1-0 — Belfast IRL
1951 — Rossetto, Hector vs Liebstein, Arturo — 1/2-1/2 — Mar del Plata ARG
1952 — Opocensky, Karel vs Potucek, Ludovit — 1-0 — Tatranska ch CZE
1954 — Gross, Ronald Joseph vs Fielding, Gerald — 1-0 — New Orleans, LA USA

6.Qc2 — 28.3% (1001 parties)

1950 — Golombek, Harry vs Mueller, Helge — 1-0 — Venice ITA
1951 — Benko, Pal vs Barda, Olaf — 1-0 — Marianske Lazne zt
1951 — Nedeljkovic, Srecko M vs Matanovic, Aleksandar — 1/2-1/2 — Sarajevo BIH
1953 — Maderna, Carlos vs Sanguinetti, Edoardo — 1/2-1/2 — Buenos Aires ch-ARG
1956 — Benkner, Otto vs Bouna, Safwan younes — 1-0 — Moskou olm

6.Nbd2 — 10.1% (357 parties)

1950 — Ullrich, Bruno vs Hunte, Hugo — 0-1 — Soemmerda GER
1951 — Barda, Yngvar vs Larsen, Bent — 1/2-1/2 — Trondheim NOR
1951 — Barden, Leonard vs Yanofsky, Daniel Abraham — 1/2-1/2 — Oxford, Balliol College
1952 — Cuellar, Mario Exequiel vs Amaro, Lucas Ibrair — 1/2-1/2 — Mar del Plata ARG
1952 — Gawlikowski, Stanislaw vs Balcarek, Wiktor — 1-0 — Zakopane POL

6.b3 — 4.8% (171 parties)

1951 — Benko, Pal vs Gecsei, Istvan — 1-0 — Hungary ch
1968 — Fricker, Jean vs Thiellement, Andre — 1-0 — Charbonnieres
1969 — Lees, David vs Hempson, Peter W — 0-1 — Rhyl ch-BCF
1971 — Schneiders, Ab vs Natalucci, Fabrizio — 0-1 — Imperia
1971 — Schneiders, Albert vs Natalucci, Fabrizio — 0-1 — Imperia

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